| Équations équilibrées la veille | Équations équilibrées le lendemain |
C2H6 + 7 O = 2 CO2 + 3 H2O
H2S(aq) + NiSO4(aq) = H2SO4(aq) + NiS(aq) =>
H2S(aq) + NiSO4(aq) = H2SO4(aq) + NiS(aq)
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
NA + HOH = NAOH + H2 =>
2 NA + 2 HOH = 2 NAOH + H2
NH3 + O2 = NO2 + H2O =>
4 NH3 + 7 O2 = 4 NO2 + 6 H2O
Pb + Br2 = Pb{2+} + Br{-} =>
Pb + Br2 = Pb{2+} + 2 Br{-}
CuO + H2SO4 = CuSO4 + H2O =>
CuO + H2SO4 = CuSO4 + H2O
H2SO3 + KOH = KHSO3 + H2O =>
H2SO3 + KOH = KHSO3 + H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Mn(OH)2 + HO2 = MnO2 + OH =>
Mn(OH)2 + 2 HO2 = MnO2 + 4 OH
CuSO4(aq) + Mg(s) = Cu(s) + MgSO4(aq) =>
CuSO4(aq) + Mg(s) = Cu(s) + MgSO4(aq)
FeCl3(aq) + NaOH(aq) = FeOH(aq) + NaCl3(aq) =>
FeCl3(aq) + NaOH(aq) = FeOH(aq) + NaCl3(aq)
Au + H2SO4 = Au2(SO4)3 + H2 =>
2 Au + 3 H2SO4 = Au2(SO4)3 + 3 H2
H2SO4 + Mg = H2 + MgSO4 =>
H2SO4 + Mg = H2 + MgSO4
Cl2 + OH{-} = Cl{-} + ClO{-} + H2O =>
Cl2 + 2 OH{-} = Cl{-} + ClO{-} + H2O
C6H10O2 + O2 = CO2 + H2O =>
C6H10O2 + 5 O2 = 6 CO2 + 5 H2O
C + CaO = CO + Ca =>
C + CaO = CO + Ca
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Fe2O3 + Na2CO3 + KNO3 = Na2FeO4 + CO2 + KNO2 =>
Fe2O3 + 2 Na2CO3 + 3 KNO3 = 2 Na2FeO4 + 2 CO2 + 3 KNO2
C3H8 + O = CO2 + H2O =>
C3H8 + 10 O = 3 CO2 + 4 H2O
CuCl2 + NH4OH = CuOH + NH4Cl2 =>
CuCl2 + NH4OH = CuOH + NH4Cl2
NaN3 = Na + N2 =>
2 NaN3 = 2 Na + 3 N2
C + CaO = CO + Ca =>
C + CaO = CO + Ca
Fe2(CO3)3 = Fe2O3 + CO2 =>
Fe2(CO3)3 = Fe2O3 + 3 CO2
PH3 + KMnO4 + H2SO4 = K2SO4 + MnSO4 + H3PO4 + H2O =>
5 PH3 + 8 KMnO4 + 12 H2SO4 = 4 K2SO4 + 8 MnSO4 + 5 H3PO4 + 12 H2O
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Ca + HClO3 = Ca(ClO3)2 + H2 =>
Ca + 2 HClO3 = Ca(ClO3)2 + H2
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
CaO + Cl2 = CaCl2 + O =>
CaO + Cl2 = CaCl2 + O
C6H12 + Cl2 + KI = C6H12I + KCl2 =>
C6H12 + Cl2 + KI = C6H12I + KCl2
CaO + Cl2 = CaCl2 + O =>
CaO + Cl2 = CaCl2 + O
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
CaO + Cl2 = CaCl2 + O =>
CaO + Cl2 = CaCl2 + O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Sn + HNO3 = Sn(NO3)4 + H2 =>
Sn + 4 HNO3 = Sn(NO3)4 + 2 H2
CaO + Cl2 = CaCl2 + O2 =>
2 CaO + 2 Cl2 = 2 CaCl2 + O2
Al + HCI = AlCI + H2 =>
2 Al + 2 HCI = 2 AlCI + H2
Cl2 + OH{-} = Cl{-} + ClO{-} + H2O =>
Cl2 + 2 OH{-} = Cl{-} + ClO{-} + H2O
Fe(OH)3 + NaOH = NaFeO2 + H2O =>
Fe(OH)3 + NaOH = NaFeO2 + 2 H2O
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
Hg(NO3)2 + KI = HgI2 + KNO3 =>
Hg(NO3)2 + 2 KI = HgI2 + 2 KNO3
C3H6 + Cl2 = C3H5Cl + HCl =>
C3H6 + Cl2 = C3H5Cl + HCl
Al + CuSO4 = Al2(SO4)3 + Cu =>
2 Al + 3 CuSO4 = Al2(SO4)3 + 3 Cu
CaCO3 = Ca + CO3 =>
CaCO3 = Ca + CO3
(NH4)2Fe{2+}(SO4)2 + (NH4)2Ce{4+}(SO4)2 = (NH4)2Ce{3+}(SO4)2 + (NH4)2Fe{3+}(SO4)2 =>
(NH4)2Fe{2+}(SO4)2 + (NH4)2Ce{4+}(SO4)2 = (NH4)2Ce{3+}(SO4)2 + (NH4)2Fe{3+}(SO4)2
PH3 + KMnO4 + H2SO4 = K2SO4 + MnSO4 + H3PO4 + H2O =>
5 PH3 + 8 KMnO4 + 12 H2SO4 = 4 K2SO4 + 8 MnSO4 + 5 H3PO4 + 12 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/06/14
Équations équilibrées sur11/05/13
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